The powdery substance made up of THC crystals from the bud of cannabis. It's basically the Cheetos dust that gets left behind on your fingers after finishing a bag of chips, but in this case, with weed.

Internet persona(s) who happens to follow you and you happen to follow them back and maintain communication with and have a mutual liking for eachother whether it be friendship wise, etc. (Mutuals if more than one mutual)

Either the crystals off dank marijuana buds or the yellow pollen from the male plants.

1. (noun) THC crystals from cannabis buds. These don't only come from dank buds, but from any weed which has been ground in a Spacecase, or any other weed grinder with a keefbox.
2. (verb) To remove keef from cannabis, as with a grinder or otherwise.
3. (verb) To add keef to weed in order to make it more potent.
4. (adjective) Weed which has had keef added to it.

When you use a grinder it separates the weed into two parts: The ground up normal weed, and the keef (it seperates them with a fine screen). The keef is normally the very edges of the weed and other small bits of the plant which contain high amounts of thc on/in them. The normally light green powdery substance contains a much larger amount of thc per milligram than the same amount of full buds.

(verb) To increase the awesomeness of something (in general), as keef added to a bowl makes it kick-ass.

Either the crystals on high-quality marijuana or, alternatively, the yellow pollen of the male plant.
Also as an adjective, to keef nuggets, to remove the crystals from nuggets.